Boeing Defends 787 Strongly

Boeing Co., offering a spirited defense of its grounded 787 Dreamliner, spelled out details of proposed battery fixes and predicted the jets could be back in commercial service in a matter of weeks.

During a news briefing in Tokyo, Ray Conner, the head of Boeing's commercial airplane unit, said that if testing goes well, the company's flagship jetliner could be carrying passengers again "more along the line of weeks" rather...